312210010031 has 2 divisors, whose sum is σ = 312210010032. Its totient is φ = 312210010030.

The previous prime is 312210009973. The next prime is 312210010043. The reversal of 312210010031 is 130010012213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312210010031 - 2⁶ = 312210009967 is a prime.

It is a super-2 number, since 2×312210010031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312210009988 and 312210010015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312210010051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105005015 + 156105005016.

It is an arithmetic number, because the mean of its divisors is an integer number (156105005016).

Almost surely, 2^312210010031 is an apocalyptic number.

312210010031 is a deficient number, since it is larger than the sum of its proper divisors (1).

312210010031 is an equidigital number, since it uses as much as digits as its factorization.

312210010031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 312210010031 its reverse (130010012213), we get a palindrome (442220022244).

The spelling of 312210010031 in words is "three hundred twelve billion, two hundred ten million, ten thousand, thirty-one".